Finding the Fourth Proportional to 2,211,358.90, 3,051,170.34 and 1,244,136.28
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Solution
The fourth proportional to 2,211,358.90, 3,051,170.34 and 1,244,136.28 is: 1,716,623.98
Step by Step Solution
- Step 1: Write the proportion equation
2,211,358.90 : 3,051,170.34 = 1,244,136.28 : x - Step 2: Convert to fraction form
2,211,358.90/3,051,170.34 = 1,244,136.28/x - Step 3: Cross multiply
2,211,358.90x = 3,051,170.34 × 1,244,136.28 - Step 4: Simplify right side
2,211,358.90x = 3,796,071,728,960.26 - Step 5: Solve for x
x = 3,796,071,728,960.26/2,211,358.90 - Step 6: Final answer
x = 1,716,623.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.